Digital Antenna
Digital Antenna 578-SW Ais Antenna, 4', 4.5db, White
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- SKU:
- 18029773
- MPN:
- 578-sw
- Availability:
- Usually ships the same or next business day. In stock at our NJ warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 02/04/2026 06:38:48 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 5 or above | and pay only $282.63 each 282.63 |
- Stock Update:
- 02/04/2026 06:38:48 PM PST
Description
This item is brand-new, factory sealed.
AIS Antennas4' Length, 4.5dB Gain
In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antennas 4.5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders.
Customers and installers love the 500 GOLD Series easy installation connector system. The gold factory-attached mini-UHF female connector with PL-259 (UHF) adapter makes connecting to the AIS transponder easy, eliminating the need to solder connectors.
All of our antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.
All 4' AIS Antennas Feature:
- Powerful brass radiators
- Soldered connections
- Power directing ferrite choke bead
- High gloss urethane finish
- 316 stainless steel ferrule
- 4.5dB gain
500 GOLD Series
- Mount: Standard 114 threaded base
- Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter
- Cable: Includes 25 of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable
Features
Package Contents:
Wireless Data Network
USCG Automatic Identification System (AIS)
- 578SW AIS Antenna
- 25' Marine Cable
Additional Information:
- Length: 4'
- Mount: Standard 1"-14 threaded base
- Cable: Includes 25' of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable
Application/Usage:
Wireless Data Network
Compatibility:
USCG Automatic Identification System (AIS)
Specs
| Interfaces/Ports | |
| Connector Type | Mini-UHF |
| General Information | |
| Brand Name | Digital Antenna |
| Manufacturer Website Address | http://www.digitalantenna.com |
| Marketing Information | 578SW AIS Antenna designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antenna's 4.5 dB gain AIS antenna offer unsurpassed durability and performance compatible with all AIS transponders. |
| Product Type | Antenna |
| Product Name | 578SW AIS Antenna |
| Manufacturer | Digital Antenna, Inc |
| Manufacturer Part Number | 578SW |
| Product Model | 578SW |
| Product Series | 500 |
| Technical Information | |
| Frequency Band Type | VHF |
| Operating Frequency Range | 159 MHz to 162 MHz |
| Antenna Gain | 5 dB |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Digital Antenna 578-SW Ais Antenna, 4', 4.5db, White
$287.19